<template>
  <div class="app-container">
    <!--查询表单-->
    <div class="search-div">
      <el-form label-width="70px" size="small">
        <el-row class="search-input">
          <el-col :span="24">
            <el-form-item label="角色名称">
              <el-input v-model="searchObj.roleName" style="width: 85%" placeholder="角色名称" />
            </el-form-item>
          </el-col>
        </el-row>
        <el-row style="display:flex" class="search-button">
          <el-button type="primary" icon="el-icon-search" size="mini" @click="fetchData()">搜索</el-button>
          <el-button icon="el-icon-refresh" size="mini" @click="resetData">重置</el-button>
        </el-row>
      </el-form>
    </div>

    <!-- 工具条 -->
    <div class="tools-div">
      <el-button type="success" icon="el-icon-plus" size="mini" class="sys-role-add" :disabled="$hasBP('bnt.sysRole.add') === false" @click="add">添 加</el-button>
      <el-button class="btn-add" size="mini" type="danger" @click="batchRemove()">批量删除</el-button>
    </div>
    <!-- 表格 -->
    <el-table
      v-loading="listLoading"
      :data="list"
      stripe
      border
      style="width: 100%;margin-top: 10px;"
      @selection-change="handleSelectionChange"
    >
      >
      <el-table-column v-show="checkBoxShow" type="selection" />
      <el-table-column
        label="序号"
        width="70"
        align="center"
      >
        <template slot-scope="scope">
          {{ (page - 1) * limit + scope.$index + 1 }}
        </template>
      </el-table-column>

      <el-table-column prop="roleName" label="角色名称" />
      <el-table-column prop="roleCode" label="角色编码" />
      <el-table-column prop="createTime" label="创建时间" width="160" />
      <el-table-column label="操作" width="200" align="center">
        <template slot-scope="scope">
          <el-button type="primary" icon="el-icon-edit" size="mini" title="修改" @click="edit(scope.row.id)" />
          <el-button type="danger" icon="el-icon-delete" size="mini" title="删除" @click="removeDataById(scope.row.id)" />
          <el-button type="warning" icon="el-icon-baseball" size="mini" title="分配权限" @click="showAssignAuth(scope.row)" />
        </template>
      </el-table-column>
    </el-table>
    <!-- 分页组件 -->
    <el-pagination
      :current-page="page"
      background
      :total="total"
      :page-size="limit"
      :page-sizes="[2,5, 10, 20, 50]"
      style="padding: 30px 0; text-align: center;"
      layout="total,sizes, prev, pager, next, jumper"
      @current-change="fetchData"
      @size-change="changeSize"
    />

    <!--定义弹出层-->
    <!-- 添加或修改的表单 -->
    <el-dialog :title="formTitle" :visible.sync="dialogVisible" width="40%">
      <el-form ref="dataForm" :model="sysRole" label-width="150px" size="small" style="padding-right: 40px;">
        <el-form-item label="角色名称">
          <el-input v-model="sysRole.roleName" />
        </el-form-item>
        <el-form-item label="角色编码">
          <el-input v-model="sysRole.roleCode" />
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button size="small" icon="el-icon-refresh-right" @click="dialogVisible = false">取 消</el-button>
        <el-button type="primary" icon="el-icon-check" size="small" @click="saveOrUpdate()">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>
<script>
// eslint-disable-next-line no-unused-vars
import api from '@/api/admin/sysRole.js'

const defaultForm = {
  id: '',
  roleName: '',
  roleCode: ''
}
export default {
  // 定义数据模型
  data() {
    return {
      // 数据是否正在加载
      listLoading: true,
      // 角色列表
      list: [],
      // 总记录数
      total: 0,
      // 当前页码数 默认1
      pager: 1,
      // 每页记录数
      limit: 5,
      // 查询条件
      searchObj: {},
      dialogVisible: false,
      sysRole: defaultForm,
      formTitle: '添加角色/编辑角色',
      checkBoxShow: false,
      multipleSelection: []
      // 批量删除选中的记录列表
    }
  },
  created() {
    this.fetchData()
  },
  methods: {
    // 重置表单
    resetData() {
      console.log('重置查询表单')
      this.searchObj = {}
      this.fetchData()
    },
    async fetchData(pageNum = 1) {
      this.page = pageNum
      const { data } = await api.getPageList(this.page, this.limit, this.searchObj)
      debugger
      this.listLoading = false
      this.list = data.records
      this.total = data.total
    },
    // 当每页显示的记录数发生改变时
    changeSize(size) {
      console.log(size)
      this.limit = size
      this.fetchData(1)
    },
    removeDataById(id) {
      this.$confirm('此操作将永久删除该记录, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => api.removeById(id))
        .then(response => {
          this.fetchData(this.page)
          this.$message.success(response.message || '删除成功')
        }).catch(() => this.$message.info('取消删除'))
    },
    // 弹出添加的表单
    add() {
      this.dialogVisible = true
      this.formTitle = '添加角色'
      this.sysRole = Object.assign({}, defaultForm)
    },
    // 添加或更新
    saveOrUpdate() {
      this.dialogVisible = false // 隐藏表单
      if (!this.sysRole.id) {
        this.save()
      } else {
        this.update()
      }
    },
    // 添加
    save() {
      api.save(this.sysRole).then(response => {
        this.$message.success(response.message || '操作成功')
        this.fetchData(this.page)
      })
    },
    edit(id) {
      this.dialogVisible = true
      this.formTitle = '编辑角色'
      api.getById(id).then(response => {
        this.sysRole = response.data
      })
    },
    update() {
      api.updateRole(this.sysRole).then(response => {
        this.$message.success(response.message || '操作成功')
        this.fetchData(this.page)
      })
    },
    // 当多选选项发生变化的时候调用的函数
    handleSelectionChange(selection) {
      console.log(selection)
      this.multipleSelection = selection
    },
    batchRemove() {
      if (this.multipleSelection.length === 0) {
        this.$message.warning('请选择要删除的记录！')
        return
      }
      this.$confirm('此操作将永久删除该记录, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        // 点击确定，远程调用ajax
        // 遍历selection，将id取出放入id列表
        var idList = []
        this.multipleSelection.forEach(item => {
          idList.push(item.id)
        })
        // 调用api
        return api.removeBatch(idList)
      }).then((response) => {
        this.fetchData()
        this.$message.success(response.message)
      }).catch(error => {
        if (error === 'cancel') {
          this.$message.info('取消删除')
        }
      })
    },
    showAssignAuth(row) {
      // 路由跳转
      this.$router.push('/auth-admin/assign-auth?id=' + row.id + '&roleName=' + row.roleName)
    }
  }

}
</script>

<style scoped>

.search-div .search-input {
  width: 85%;
  float: left;
}
.tools-div .sys-role-add {
  margin-left: 85%;
}
</style>
